In 1988 the NSR was reworked with new bodywork and those familiar twin round brake lights, new electrical system , revised suspension , larger brakes, six spoke wheels with larger rubber and an even more peakier engine. The price had increased by 20,000 Yen to 579,000 Yen and it was renamed the MC18 by the factory. Computer controlled carburetors known as PGM II were introduced for the first time. (Many people say that 1988 was the best year for all the NSR's engines 50's, 80's and the 250's). The colors were the same as the MC16 NSR, fighting red/white and Terra blue/white. March 15, 1988 saw the release of the first street version SP ( Sport Production ) NSR. It was released in Rothmans racing colors, these bikes are quite rare now ,they had Mag-Tek lightweight Magnesium wheels front and rear, 1988 NSR 250 SP models had the same suspension as the R models and the price was higher than the standard NSR's by 81,000 Yen bringing the final price to 660,000 Yen for the SP model. Producti